Kinetics of adsorption of polyvinylamine onto cellulose

被引：99

作者：

Geffroy, C

Labeau, MP

Wong, K

Cabane, B

Stuart, MAC

机构：

[1] Wageningen Univ Agr, Lab Phys Chem & Colloidal Sci, NL-6700 EK Wageningen, Netherlands

[2] Rhodia, Ctr Rech, F-93308 Aubervilliers, France

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2000年 / 172卷 / 1-3期

关键词：

polyelectrolyte; adsorption; cellulose; electrostatic barrier; reflectometry;

D O I：

10.1016/S0927-7757(00)00499-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The adsorption kinetics of a cationic polyelectrolyte onto a model negatively charged cellulose surface has been investigated. Two regimes have been distinguished. At low surface coverage, the adsorption is transport-limited while at higher surface coverage the incoming polymer experiences a blocking barrier of electrostatic nature. This barrier has been quantified and the respective roles of the polymer and surface charge have been assessed. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

收藏

页码：47 / 56

页数：10

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